NSPredicate.swift

@objcMembers class Person: NSObject {
    var name: String
    var age: Int
    init(name: String, age: Int) {
        self.name = name
        self.age = age
    }
}        

let personArray = [Person(name: "Amy", age: 9),  Person(name: "Lily", age: 10), Person(name: "Sam", age: 12), Person(name: "Eric", age: 18)]
let predicates = [NSPredicate(format: "age > 10"), NSPredicate(format: "name in {'Sam', 'Eric'}"), NSPredicate(format: "age > 10 and age < 20"), NSPredicate(format: "name contains 'a'"), NSPredicate(format: "name like '??m'"), NSPredicate(format: "name = %@", "Lily"), NSPredicate(format: "%K = 12", #keyPath(Person.age))]
let results = predicates.map { predicate in
    personArray.filter { person in
        predicate.evaluate(with: person)
}}